Other ancient bacteria consumed methane, greatly reducing its amount in the atmosphere.
其他古代细菌消耗甲烷，大大减少了甲烷在大气中的含量。
Ancient people around the world used different ways to kill the bacteria in the water.
世界各地的古人们用不同的方法杀死水里的细菌。
But there was still a very different physiological challenge for these organisms than for the more evolutionarily ancient single-celled organisms such as bacteria.
然而与进化上更古老的单细胞生物如细菌相比这些多细胞生命面临着一个非常不同的生理挑战。
The ancient marshy Nile would have hosted many eye disease-causing bacteria. Application of the makeup may have revved up cells' immunity and protected against infection.
湿软的古尼罗河想必滋生了不少导致眼部感染的细菌，而这些眼妆的应用则帮助古埃及人加速了免疫系统的工作，从而无眼病之虞。
The ancient marshy Nile would have hosted many eye disease - causing bacteria.
湿软的古尼罗河流域或许流行着许多由细菌引起的眼科疾病。
Ancient DNA from woolly mammoths revealed that their blood contained special cold-adapted hemoglobin, which researchers reproduced in bacteria this year.
来自毛猛犸象的古生代dna表明，它们的血液中含着特殊的御寒血红蛋白，今年研究者在细菌中对这种血红蛋白进行了复制。
Researchers now believe that the ancient brewmasters learned to purposely make their beer medicinal, by lacing it with grain contaminated with antibiotic-producing Streptomyces bacteria.
如今，研究人员认为古代的啤酒酿造大师学会了将沾染有可产生抗生素的链霉菌的谷物掺入酿酒原料，特意使他们酿制的啤酒具有药性。
There is every indication that algae, along with bacteria and certain fungi, are extremely ancient organisms.
一切迹象表明藻类，细菌及真菌都是非常古老的有机体。
The tiny algae or bacteria that build them are also thought to be the most ancient life form that is still around today, after more than three billion years.
叠层石是世界上已知的最古老化石。组成这些石头的这种微小的藻类或细菌也被认为是最古老的生命形式，在超过三十亿年后的今天仍然存在。
Photosynthetic bacteria is a kind of ancient microorganism and has been applied in many areas.
光合细菌作为一类古老的细菌类群，已经在众多领域得到应用。
Photosynthetic bacteria is a kind of ancient microorganism and has been applied in many areas.
光合细菌作为一类古老的细菌类群，已经在众多领域得到应用。
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